DRAKE VM2860 Kullanım Kılavuzu - Sayfa 5

Modülatör DRAKE VM2860 için çevrimiçi göz atın veya pdf Kullanım Kılavuzu indirin. DRAKE VM2860 12 sayfaları. Commercial video modulator
Ayrıca DRAKE VM2860 için: Kullanım Kılavuzu (12 sayfalar)

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Front and Rear Panel Controls and Indicators

Operating Controls

All operating controls and indicators for the modulator are located on, or are accesible from the front panel.

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Figure 1 - Front Panel

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[1] EAS/ALT INDICATOR: Lights Red when EAS/ALT is active.

[2] VIDEO OVERMODULATION LED: Lights when modulation is above 87.5%

[3] VIDEO MODULATION LEVEL: Adjusts percentage of modulation.

[4] AURAL-TO-VISUAL CARRIER RATIO: Controls amplitude of aural RF carrier relative to visual RF carrier.

[5] AUDIO MODULATION LEVEL: Adjusts aural carrier modulation.

[6] AUDIO OVERMODULATION LED: Lights when peak deviation of aural carrier is over 25 kHz.

[7] DISPLAY MODE BUTTON: Used to scroll through channel configuration, output level and modes.

[8] CHANNEL, CHANNEL CONFIGURATION/OUTPUT LEVEL DISPLAY

[9] UP/DOWN BUTTONS: Used to scroll through the channel, channel configuration and output level modes.

[10] ENTER BUTTON: Evokes the current settings in the channel/output display when depressed.

[11] STEREO INDICATOR: Not Used

Note: All connections to the unit are made at the rear panel.

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Figure 2 - Rear Panel

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[1] RF OUTPUT: +60dBmV

[2] IF INPUT: +35 dBmV IF Input

[3] EAS/ALT IF INPUT: Emergency Alert or Alternate IF Input

[4] IF OUT: +35 dBmV IF Outpout (See note #8 below)

[5] EAS/ALT IF TERMINAL: EAS/ALT IF mode selection (see page 7)

[6] AUDIO INPUT: Audio input (standard)

[7] VIDEO INPUT: 1 Volt PP video input

[8] IF LOOP CABLE: The IF loop cable (supplied) must be installed to provide RF continuity. The modulator will not have

an RF output without the IF loop installed.